curtis



l H. n. CURTIS. May 2l 1929' sNow REMovER.

Original Filed May 25. 1920.

4 SHEETS-SHEET 2,

WITNESS:

H. D. CURTIS.

Maylzl, 1929- l snow nEMov'ER. Re. 17,297

Original Filed May, 25. 1920 I SHE'ETS'SHEET 3 wrrNEss: v Y A-rroRNEYMay 21," 192,3. H' D" CURTIS' Re. 17,297

SNOW REMOVER.

Original Filecl May 25. 1920 Y 4 SHEETS-SHEET '4.

H-fpmvENToR mwww ATTORNEY WITNESS! Reima! Mey'zi, 1929.v y

UNITED sTATEs PATENT OFFICE. y

HARBiYD. 'UB'TIQ 0F DSHKOSH, WISCONSIN, ASSIGNOR T0 JACOB 'WANDS-CHEEB,DANIEL fWANDSCHEER, GEBBIT lLlIlDSCHIEER,',VANI.) BEN WANDSCHEER, .ALLOl'.

' SIOUX' GENTEB, IOWA.

Original No. 1,413,007, dated Apri-1 18, 1922, Seri-a1 No. 384,219, nied-.'iay 25, 1920. Application for reissue led April 2, 1928. Serial No.206,735.

f This invention relates to snow plows for steam and street railways,trucks and .the l1ke and the principal object of the inventlon 1steprovide spiral conveyor means for forcing the snow to one or both sidesof the track or road.

Another object of the invention is to pro- 'vide blower means forreceiving the snow from the conveyor means and for blowing the snow to adistant point. o.

In a' further aspect, the invention contem plates a novel method ofremoving snow from road surfaces, whereby the snow is completely-tkenup' and subsequently automatically scattered at points remote fromthe road bed so as to eliminate banks and piles at the side of the road.

This inventlon also consists 1n certain other features of constructionand in the combina-y tion and arrangement of the several parts, to 2o"be hereinafter fully described, illustrated in theaccompanying drawingsand specifically pointed out in theappended claims.

In describing my invention in detail, reference will behad to theaccompanying drawings wherein like 'characters denote like orcorresponding parts ythroughout the several views, and in which p Figure1 is a sectional view showing my blower located in front of alocomotive, the

section being.;- taken on line 1 1 of Figure 2.

Figure 2 is a sectional view of one form of the invention. v

Figure 3 is a sectional view taken onf-line 3-7-3 of Figure 1.

Figure 4 is a. sectional view showing a modified form of the plow.

Figure 5 is an end view ofvthis form.

FigureG is a sectional view of a further modification.

Figure 7 is a sectional view through this modification. l

Figure 8 is a sectional view of another modification. u

Figure 9 is a sectional view through this modification.

In these views 1 indicates a casing which 'has its lower portion ofsubstantially semi' cylindrical forinv in cross section with its up perpart inclinin'g upwardly andoutwardly as at 2. This casing is supportedin any suitable manner in front of the engine, street car, automobile,or other vehicle so that it will scoop u the snow from the track or roadin front o lthe Vehicle. As shown in Figure l the casving is attached tothe engine by the arms 3.

The lower edge of the casing is provided with an adjustable shoe 4 sothat the shoe may be broughtadjacent thesurface .to be cleared of snow.A shaft 5 issuitably journaled in the said casing and this shaft carriesthe right and 60 left hand screwed conveyors which extend from a pointadjacent the center` of the shaft to the ends of the casing. This shaftis connected in any suitable manner with the source of power so that theshaft may be rotasted'. y

It will thus be seen that the snow drifts or deposits will be cut by theblades of the conveyors and the snow thus severed will be forced towardseach end of the casing by the conveyor blades. If the ends of the casingare open the snow will be deposited on each side of the track or road,but this is undesirable since it lines the edge of the road with heavybanks, and if the latter freeze the plow could not force through toremove later snow deposits. y

I prefer, therefore, to attach a casing 8 at cach end of the casing land to extend the ends of the shaft 5 through these casings. 80 Theseextended ends of the shaft carry fan blades 9 so that a blast is createdin each casing to drive the snow delivered to the casings by theconveyors through the outlet lpipes 10 and the delivery pipe 11 whichVis 85 discharge it from the outlet 22 at the top Ael() This arrangementis perhaps the most e cient so that the fan 9 will throw the snow fromeach end of the casing as the snow is deliveredto them by the conveyors.I may place deector plates 13 aroundthe upper portion of ,the casing atthe ends thereofto prevent snow from being thrown back lupon the plow orthe vehicle. In this form a splder 14 is placed/at each end of thecasing to carry 4 the journals for the shaft. p

In the modification shown in Figures 6 and 7 the shaft 5 carries but oneconveyor blade' en through the snow on the track or road the' spiralscrews will cut the snow and move it transversely of the road bed,-andif the blower device is used, the removed snow can be delivered to adistant point so as to remove the the danger of the banked snow at theside of track falling back upon the track, and blocking future passageof the plow.

In the modification shown in Figures 8 and 9 a double conve or is usedwhich is so arranged as to fee the snow to the center of the ca sing.the rear of the conveyor casing, at the center thereof, and the fan 21therein acts to draW the snow from the conveyor casing and ther;E

o the fan easing. This fan has its shaft 23 geared to the shaft 24 onwhich the conveyors 25are carried. The fan shaft is connected in anydesired manner with a source of ower.

of all the forms illustrated. By moving the snow toward Vthe center ofthe plow from each end, the plow is more readily guided as the force oneach side is substantially the Same. Thus the tendency of the vehicle toslip olf or toward the edge of the road is avoided.

It is thought from the foregoing description that the advantages andnovel features of my invention will be readily apparent.

I desire it to be understood that I may make changes in the constructionand in the combination and arrangement of the several parts, providedthat such changes fall within the scope of the appended claims.

WVhat I claim is 1. A snow plow of the class described comprising ahorizontally arranged semi-cylindrical casing, a fan casing connectedtherewith, a spiral conveyor in the first mentioned casing, a fan in thefan casing, means for actuating the conveyor and fan and an adjustableconduit connected with the fan caslng.

A fan casing 2O is connectedwith outlet for the fan casing and means fory driving the fan and the conveyors.

s now remover of the class described comprising a casing, a horizontallyarranged spiral-conveyor in said casing adapted to cut and feed snowtransversely of the casing, a fan casing communicating with thehorizontal casing and adapted to receive snowtherefrom, said fan casinghaving an adjustable discharge opening, and a fan' in the fan. casingfor discharging the snow from the latter.

4. A snow remover of the class described comprising a casing, a spiralconveyor therein formed `of right and left hand parts and arranged tofeed snow in opposite directions, a fan casing in the rear of theconveyor casing and communicating with the conveyor casing adjacent thepoint of meeting of the right and left hand parts of the conveyor, a fanin said fan casing, an outlet for the fan casing, and means for drivingthe fan and the conve or.

snow plow of the class described comprlslng a casing, a spiral conveyortherein formed of right and left hand parts and arranged to feed thesnow to the center of the casin the axis of the conveyor being horizonta1y arranged and extending transversely of the road bed, a fan casing .1nthe rear of the conveyor casing and communicating with the center ofsaid conveyor casing, a fan in said fan casing, an outlet for the fancasing, and means for actuating-the fan and conveyor. l

6. A snow remover ofthe class described comprising a power propelledvehicle, a horizontal casing mounted on the front of the vehicle andarranged transversely of the road bed, a fan casing-in communicationtherewith, a horizontally arranged spiral conveyor in the iirstmentioned casing, a fan in the fan casing, an outlet in the fan casingcommunicating with the atmosphere, and means for actuating the conveyorand fan from the vehicle. v

7. A snow remover of the class described comprising a power propelledvehicle, a main ycasing mounted on the. front of the vehicle,

a fan casing adjacent to and in communication with said main casing, aspiral conveyor in said main casing adapted to cut snow and feed it inthe direction of the axis of the conveyor and toward the fan casing, anoutlet in the fan casing, and a fan within the fan casing fordischarging snow through said outlet, and means for actuating theconveyor and fan from thevehicle.

8. A snow removerof the class described lao comprisin -upower propelledvehcle,aman lveyor, an outlet in the fan casing, and a. horizonteAcasing, u spiral conveyor in said fan within the fan caslng fordischarging l0 jcasing, a fan `casing' ad'accnt to the main lsnowthrough said outlet, and means for casing and having` an in et openingin comactuating said spiral conveyor and fan from munication with themain casing, saidconthe vehlc vcyor being adapted to cut snow andfeediit In testimony whereof5 I have hereunto set toward the inletopening of the fan casing my signature.

and in the direction of the axis ofthe con- HARRY D. CURTIS. i

